package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.minio.MinioClientConfiguration;
import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Set;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {

    @Autowired
    private MinioProperties minioProperties;
    @Autowired
    private MinioClient minioClient;
    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
        boolean b = minioClient.bucketExists(BucketExistsArgs.builder()
                .bucket(minioProperties.getBucketName())
                .build());
        if(!b){
            minioClient.makeBucket(MakeBucketArgs.builder()
                    .bucket(minioProperties.getBucketName())
                    .build());

            String policy = """
                    {
                      "Statement" : [ {
                        "Action" : "s3:GetObject",
                        "Effect" : "Allow",
                        "Principal" : "*",
                        "Resource" : "arn:aws:s3:::%s/*"
                      } ],
                      "Version" : "2012-10-17"
                    }
                    """.formatted(minioProperties.getBucketName());

            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder()
                    .bucket(minioProperties.getBucketName())
                    .config(policy)
                    .build());
        }

        String fileName = UUID.randomUUID() +
                new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())
                + "-"
                + file.getOriginalFilename();

        minioClient.putObject(PutObjectArgs.builder()
                        .object(fileName)
                        .bucket(minioProperties.getBucketName())
//                        .contentType("image/jpeg")
                        .stream(file.getInputStream(), file.getSize(), -1)
                        .contentType(file.getContentType())
                        .build()
        );

        return String.join("/",minioProperties.getEndpoit(),minioProperties.getBucketName(),fileName);
    }
}
